@inproceedings{BiFaZiMa11, author = {Daniel Bielefeld and Gernot Fabeck and Milan Zivkovic and Rudolf Mathar}, title = "Energy Efficient Ultra-Wideband Signaling for Cooperative Spectrum Sensing in Cognitive Radio", pages = "1-5", booktitle = "{IEEE} Vehicular Technology Conference Spring (VTC-Spring) 2011", address = {Budapest}, month = May, year = 2011, hsb = {hsb999910038273 }, }